AU2003216263A1 - Frequency-timing control loop for wireless communication systems - Google Patents

Frequency-timing control loop for wireless communication systems

Info

Publication number
AU2003216263A1
AU2003216263A1 AU2003216263A AU2003216263A AU2003216263A1 AU 2003216263 A1 AU2003216263 A1 AU 2003216263A1 AU 2003216263 A AU2003216263 A AU 2003216263A AU 2003216263 A AU2003216263 A AU 2003216263A AU 2003216263 A1 AU2003216263 A1 AU 2003216263A1
Authority
AU
Australia
Prior art keywords
frequency
wireless communication
communication systems
control loop
timing control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2003216263A
Other languages
English (en)
Inventor
Peter J. Black
Nagabhushana Sindhushayana
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of AU2003216263A1 publication Critical patent/AU2003216263A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B2001/70706—Spread spectrum techniques using direct sequence modulation using a code tracking loop, e.g. a delay locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0028—Correction of carrier offset at passband only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0036—Correction of carrier offset using a recovered symbol clock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0055—Closed loops single phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0065—Frequency error detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/002—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
    • H04L7/0025—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of clock signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
AU2003216263A 2002-02-12 2003-02-12 Frequency-timing control loop for wireless communication systems Abandoned AU2003216263A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/075,578 2002-02-12
US10/075,578 US6738608B2 (en) 2002-02-12 2002-02-12 Frequency-timing control loop for wireless communication systems
PCT/US2003/004384 WO2003069865A1 (en) 2002-02-12 2003-02-12 Frequency-timing control loop for wireless communication systems

Publications (1)

Publication Number Publication Date
AU2003216263A1 true AU2003216263A1 (en) 2003-09-04

Family

ID=27732430

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003216263A Abandoned AU2003216263A1 (en) 2002-02-12 2003-02-12 Frequency-timing control loop for wireless communication systems

Country Status (11)

Country Link
US (1) US6738608B2 (ja)
EP (1) EP1481520B1 (ja)
JP (1) JP4236587B2 (ja)
KR (1) KR100980128B1 (ja)
CN (1) CN100521666C (ja)
AU (1) AU2003216263A1 (ja)
BR (1) BRPI0307605B1 (ja)
CA (1) CA2475974C (ja)
MX (1) MXPA04007865A (ja)
TW (1) TWI271977B (ja)
WO (1) WO2003069865A1 (ja)

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US8009723B2 (en) * 2006-06-02 2011-08-30 Terrace Communications Corporation Measurement of baseband timing in a spread spectrum communications system
US7852971B2 (en) * 2006-07-21 2010-12-14 Qualcomm, Incorporated False channel detection for wireless communication
US7778789B2 (en) * 2006-07-28 2010-08-17 Mediatek Inc. Digital phase calibration method and system
US7957453B2 (en) * 2008-03-20 2011-06-07 Raytheon Company Method for operating a rake receiver
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US8625724B2 (en) * 2009-03-10 2014-01-07 Qualcomm Incorporated Adaptive tracking steps for time and frequency tracking loops
US8743977B2 (en) * 2009-06-23 2014-06-03 Intel Corporation Efficient tuning and demodulation techniques
US9071493B2 (en) * 2009-06-29 2015-06-30 Qualcomm Incorporated Dual frequency tracking loop for OFDMA systems
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CN101997543B (zh) * 2010-11-30 2012-07-25 四川和芯微电子股份有限公司 鉴频器及实现鉴频的方法
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Also Published As

Publication number Publication date
WO2003069865A1 (en) 2003-08-21
JP4236587B2 (ja) 2009-03-11
TWI271977B (en) 2007-01-21
US20030186666A1 (en) 2003-10-02
CN1647475A (zh) 2005-07-27
BR0307605A (pt) 2005-02-22
US6738608B2 (en) 2004-05-18
EP1481520A1 (en) 2004-12-01
EP1481520B1 (en) 2017-01-18
CN100521666C (zh) 2009-07-29
CA2475974A1 (en) 2003-08-21
MXPA04007865A (es) 2004-11-26
BRPI0307605B1 (pt) 2016-10-18
KR100980128B1 (ko) 2010-09-03
KR20040078162A (ko) 2004-09-08
CA2475974C (en) 2012-06-26
TW200306731A (en) 2003-11-16
JP2005518153A (ja) 2005-06-16

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase